curl --location --request GET '/rest/api/3/resolution'
[{"description":"A fix for this issue is checked into the tree and tested.","id":"10000","name":"Fixed","self":"https://your-domain.atlassian.net/rest/api/3/resolution/1"},{"description":"This is what it is supposed to do.","id":"10001","name":"Works as designed","self":"https://your-domain.atlassian.net/rest/api/3/resolution/3"}]